Police use radar to search for Ben

Ben Needham Credit: South Yorkshire Police

An excavation at the farmhouse where Sheffield toddler Ben Needham went missing 21 years ago has begun this morning. Search experts will use ground penetrating radar at the site on the Greek holiday island of Kos in an attempt to eliminate the possibility that he came to any harm there.

Cold case officers from South Yorkshire police are among the team from the UKwho are working alongside Greek authorities at the farmhouse in the village of Herakles .